2020 (vol. 30) - Number 3

*M.A. Hammami, N.H. Rettab:*

On the region of attraction of dynamical systems: Application to Lorenz equations

*J. Rudy, J. Pempera, C. Smutnicki:*

Improving the TSAB algorithm through parallel computing

*Chiranjibe Jana, Madhumangal Pal , Guiwu Wei:*

Multiple Attribute Decision Making method based on intuitionistic Dombi operators and its application in~mutual fund evaluation

*S. Ogonowski, D. Bismor, Z. Ogonowski:*

Control of complex dynamic nonlinear loading process for electromagnetic mill

*N.A. Baleghi, M.H. Shafiei:*

An observer-based controller design for nonlinear discrete-time switched systems with~time-delay and affine parametric uncertainty

*Amine El Bhih, Youssef Benfatah, Mostafa Rachik:*

Exact determinantions of maximal output admissible set for a class of~semilinear discrete systems

*Archana Tiwari, Debanjana Bhattacharyya, K.C. Pati:*

Controllabilty and stability analysis on a group associated with Black-Scholes equation

*A. Sambas, I.M. Moroz, S. Vaidyanathan:*

A new 4-D hyperchaotic system with no equilibrium, its multistability, offset boosting and circuit simulation

*A.S.S. Abadi, P.A. Hosseinabadi, S. Mekhilef, A. Ordys:*

A new strongly predefined time sliding mode controller for a class of cascade high-order nonlinear systems

ACS Abstract:

**2001 (Volume 11)**

Number 1/2

**Monitoring and control of a class of distributed parameter bioreactors with application of the substrate consumption rate**

J.P.Babary(Centre National de la Recherche Scientifique, France) | J.Czeczot, M.Metzger(Silesian University of Technology, Poland) | M. Nihtilä(University of Kuopio, Finland) |

**keywords:** biotechnology, distributed parameter systems, monitoring, model-based adaptive control, recursive least-squares estimation.

**Optimal control for bilinear systems with delay on control**

A. Eljai(Université de Perpignan, France) | J. Karrakchou(Ecole Mohamadia d'Ingénieurs, Maroc) | M.Rachik, M.Lhous(Faculté des Sciences Ben M'sik, Maroc) |

**keywords:** optimal control, bilinear systems, delayed systems.

**On an NP-hard sorting problem**

K. Giaro(Technical University of Gdańsk, Poland) |

**keywords:** sorting problem, NP-hardness, flexible manufacturing systems.

**Low gain adaptive stabilization of undamped second order systems**

Toshihiro Kobayashi(Kyushu Institute of Technology, Japan) |

**keywords:** low-gain feedback, adaptive stabilization, undamped second order dynamical systems.

**Observability of a generalized linear control system**

Hubert Wysocki(Naval Academy, Poland) |

**keywords:** observability, linear differential systems, observability criteria, Bittner Operational Calculus.

**Very fast algorithm for nonholonomic optimal path planning and replanning, generalities and details**

Leszek Podsędkowski(Technical University of Łódź, Poland) |

^{*}searching of a graph built in a configuration space. Very good heuristic approximation of the real cost of the path accelerates path searching significantly. Due to dynamic modifications of the graph, the path replanning procedure is much faster than Brute-Force replanner. The paper presents general assumptions of the method, detailed algorithms of important procedures (especially the path replanning procedure) and a new form of Configuration Space and Open List. The simulation and experimental tests on car-like robot as well as the comparisons of this method to the others are also included.

**keywords:** nonholonomic robots, dynamic path planning, graph searching.

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